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The DM2 TNT Active In-Line Microphone Preamplifier from sE Electronics is intended to be inserted between a passive ribbon or dynamic microphone and a microphone preamplifier (sold separately) to provide gain for the microphone signal. A switch allows you to select between 15 and 30 dB of gain to boost the audio signal, improving the level to your preamp, mixer, or audio interface without adding noise or coloring the sound.

The DM2 offers eight load-impedance settings, allowing you to properly match your microphone and preamp combination and find the sweet spot for optimal results. The sophisticated Class-A design and high-grade FETs provide clean gain with low self-noise. The active preamp requires 48V phantom power for operation and is built with a dedicated output buffer amplifier that reduces RF interference, buzz, and hum while allowing it to drive long cable runs. Additionally, the DM2 offers a roadworthy, slim, all-metal design, ensuring reliable operation for onstage applications in difficult environments.

• Switchable, clean, and consistent gain from moderate +15 dB to explosive +30 dB
• Designed for neutral, balanced sound quality with minimal noise
• Explore eight impedance settings ranging from an unconventionally low 50 ohms to stunningly high 10 megohms to match your preamp with any mic accurately
• Two gain levels for even higher flexibility on various sources
• Ruthlessly boosts the signal independent from load impedance or cable length
• High-grade FETs provide supremely low noise
• Requires 48V phantom power
• Use only with passive dynamic or ribbon microphones

SE Electronics DM2-MIC-PRE-U Specs System Requirements Input: Passive Microphone (Ribbon/Dynamic)
Output: Preamp/Mixer or Audio Interface Providing 48 V Phantom Power
Limitations: Not Suitable for Phantom-Powered Microphones (Condenser Microphones, Active Ribbon Microphones) Frequency Range 10 Hz to 120 kHz (-0.3 dB) Gain 15 / 30 dB (Switchable) Maximum Output Level 9.5 dBV / 3.0 V (0.5% THD) Output Noise Level: 1 μV at 15 dB / 6.6 μV at 30 dB Powering 48 V According to IEC 61938 Impedance 135 Ohms Load Impedance Recommended: >1 Kilohm Current Consumption 3.1 mA Connectors 3-Pin Male XLR
3-Pin Female XLR Dimensions 0.75 x 3.76" / 19 x 95 mm Weight 2.8 oz / 80 g Packaging Info Package Weight 0.22 lb Box Dimensions (LxWxH) 6.4 x 1.25 x 1.2"